48951321 has 4 divisors (see below), whose sum is σ = 65268432. Its totient is φ = 32634212.

The previous prime is 48951319. The next prime is 48951361. The reversal of 48951321 is 12315984.

48951321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48951321 - 2¹ = 48951319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48951311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8158551 + ... + 8158556.

It is an arithmetic number, because the mean of its divisors is an integer number (16317108).

Almost surely, 2^48951321 is an apocalyptic number.

It is an amenable number.

48951321 is a deficient number, since it is larger than the sum of its proper divisors (16317111).

48951321 is a wasteful number, since it uses less digits than its factorization.

48951321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317110.

The product of its digits is 8640, while the sum is 33.

The square root of 48951321 is about 6996.5220645689. The cubic root of 48951321 is about 365.8093530680.

It can be divided in two parts, 4895 and 1321, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 48951321 in words is "forty-eight million, nine hundred fifty-one thousand, three hundred twenty-one".